CHUM-FM (104.5 FM) is a Canadian radio station in Toronto, Ontario. Owned by Bell Media, the station airs a hot adult contemporary format. CHUM-FM's studios are located at 250 Richmond Street West in the Entertainment District, while its transmitter is located atop the CN Tower. The station is simulcast on Shaw Direct channel 872, and on Bell Satellite TV channel 990. CHUM-FM is consistently one of Toronto's most popular stations according to Numeris' radio ratings.